CAS: 137-42-8; Metam-Sodium

上下游产品

CAS号75-15-0 二硫化碳 | CAS号74-89-5 氨基甲烷 | CAS号100-01-6 对硝基苯胺 | CAS号2438-90-6 N,N'-dimethylth... | CAS号65872-41-5 氨噻肟酸 | CAS号556-61-6 异硫氰酸甲酯 | CAS号636-04-4 N-苯基硫代苯甲酰胺 | CAS号14598-03-9 6-phenylpropior... | CAS号2757-10-0 (E)-N-Methyl-3-... | CAS号120189-50-6 6-phenyl-3-meth... | CAS号13037-11-1 Carbamodithioic... | CAS号1630-99-5 N-methyl-1,3-di...

专利信息

专利号:US-7435855-B2
优先权日:2004-06-18
标题:Process for the continuous synthesis of methylamines
发明人：BOSCH MARCO; EBERHARDT JAN KURT; ROETTGER RODERICH; KRUG THOMAS; MELDER JOHANN-PETER
权利人:BASF SE
摘要:Process for the continuous synthesis of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the catalyst used is a shaped body which comprises a microporous material and at least one organosilicon compound as binder and can be produced by a process comprising the stepsn (I) preparation of a mixture comprising the microporous material, the binder, a pasting agent and a solvent, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body, (IV) drying of the shaped body and (V) calcination of the dried shaped body.

专利号:US-7651968-B2
优先权日:2005-12-12
标 题:Shaped body comprising a microporous material and at least one silicon-containing binding agent method for production and use thereof as catalyst in particular in a method for continuous synthesis of methylamines
发明人：BOSCH MARCO; EBERHARDT JAN; ROETTGER RODERICH
权利人:BASF SE
摘要:A process for producing a shaped body comprising a microporous material and at least one silicon-comprising binder, which comprises the stepsn (I) preparation of a mixture comprising the microporous material, the binder and a lubricant, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body and (IV) calcination of the shaped body,n nwherein a silicone resin having a softening point of ≧30° C. is used as binder,n nshaped bodies which can be produced by this process, their use as catalyst, in particular in organic synthesis and very particularly preferably in a process for preparing methylamines.

专利号:US-4502994-A
优先权日:1982-12-09
标题 :Enantiomeric synthesis of 3-amino-4-carbamoyloxymethyl-2-azetidonone-1-sulfate
发明人：WEI CHUNG-CHEN; WEIGELE MANFRED
权利人:HOFFMANN LA ROCHE
摘要:A novel enantiomeric synthesis from ascorbic acid of (3S,4S)-3-amino-4-carbamoyloxymethyl-2-azetidinone-1-sulfate, an intermediate for an antibiotic compound.

专利号:WO-2025056767-A1
优先权日:2023-09-15
标题 :Process for the preparation of enantiomerically enriched aliphatic amines
发明人：BOU HAMDAN FARHAN; GODINEAU EDOUARD; SMEJKAL TOMAS; DUMEUNIER RAPHAEL; BOUSSEMGHOUNE MOHAMED ABDELOUAHAB; BLUM MATHIAS
权利人:SYNGENTA CROP PROTECTION AG
摘要:The present invention relates to a process for the preparation of enantiomerically enriched cyclobutylamines of formula (I) from α-tertiary cyclobutanones and reacting said enantiomerically enriched cyclobutylamines to enantiomerically enriched cyclobutylamides. Such compounds are useful intermediates in the synthesis of microbiocidal thiazole compounds.

专利号:US-2016073631-A1
优先权日:2013-03-04
标 题 :Process for the preparation of dihydropyrrole derivatives
发明人：EL QACEMI MYRIEM; SMITS HELMARS; CASSAYRE JEROME YVES; MULHOLLAND NICHOLAS PHILLIP; RENOLD PETER; GODINEAU EDOUARD; PITTERNA THOMAS
权利人:SYNGENTA PARTICIPATIONS AG; SYNGENTA LTD
摘要:The present invention provides stereoselective processes for the preparation of compounds of formula (I) n n n n n n n n n n n n wherein n P is phenyl, naphthyl, a 6-membered heteroaryl group containing one or two nitrogen atoms as ring members, or a 10-membered bicyclic heteroaryl group containing one or two nitrogen atoms as ring members, and wherein the phenyl, naphthyl and heteroaryl groups are optionally substituted; n R 1 is chlorodifluoromethyl or trifluoromethyl; n R 2 is optionally substituted aryl or optionally substituted heteroaryl; n n is 0 or 1; n including the process comprising n (a-i) reacting a compound of formula II n n n n n n n n n n n n n n n n wherein P, R 1 and R 2 are as defined for the compound of formula I; n with nitromethane in the presence a chiral catalyst to give a compound of formula III n n n n n n n n n n n n n n n n wherein P, R 1 and R 2 are as defined for the compound of formula I; and n (a-ii) reductively cyclising the compound of formula III to give the compound of formula I. n n n n n The invention also provides intermediates useful for processes for the synthesis of compounds of formula (I).

专利号:US-9233920-B2
优先权日:2010-06-11
标题 :Process for the preparation of dihydropyrrole derivatives
发明人：EL QACEMI MYRIEM; SMITS HELMARS; CASSAYRE JEROME YVES; MULHOLLAND NICHOLAS PHILLIP; RENOLD PETER; GODINEAU EDOUARD; PITTERNA THOMAS
权利人:EL QACEMI MYRIEM; SMITS HELMARS; CASSAYRE JEROME YVES; MULHOLLAND NICHOLAS PHILLIP; RENOLD PETER; GODINEAU EDOUARD; PITTERNA THOMAS; SYNGENTA PARTICIPATIONS AG; SYNGENTA LTD
摘要:The present invention provides stereoselective processes for the preparation of compounds of formula (I) wherein P is phenyl, naphthyl, a 6-membered heteroaryl group containing one or two nitrogen atoms as ring members, or a 10-membered bicyclic heteroaryl group containing one or two nitrogen atoms as ring members, and wherein the phenyl, naphthyl and heteroaryl groups are optionally substituted; R 1 is chlorodifluoromethyl or trifluoromethyl; R 2 is optionally substituted aryl or optionally substituted heteroaryl; n is 0 or 1; including the process comprising (a-i) reacting a compound of formula II wherein P, R 1 and R 2 are as defined for the compound of formula I; with nitromethane in the presence a chiral catalyst to give a compound of formula III Wherein P, R 1 and R 2 are as defined for the compound of formula I; and (a-ii) reductively cyclizing the compound of formula III to give the compound of formula I. The invention also provides intermediates useful for processes for the synthesis of compounds of formula (I).